JPH07170219A - 無線受信機システム - Google Patents

無線受信機システム

Info

Publication number
JPH07170219A
JPH07170219A JP4119729A JP11972992A JPH07170219A JP H07170219 A JPH07170219 A JP H07170219A JP 4119729 A JP4119729 A JP 4119729A JP 11972992 A JP11972992 A JP 11972992A JP H07170219 A JPH07170219 A JP H07170219A
Authority
JP
Japan
Prior art keywords
receiver
signal
antenna
antenna terminal
switching means
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP4119729A
Other languages
English (en)
Japanese (ja)
Inventor
Paul R Sharples
ロバート シャープレス ポール
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
General Electric Co PLC
Original Assignee
General Electric Co PLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by General Electric Co PLC filed Critical General Electric Co PLC
Publication of JPH07170219A publication Critical patent/JPH07170219A/ja
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/08—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station
    • H04B7/0802—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using antenna selection
    • H04B7/0805—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using antenna selection with single receiver and antenna switching
    • H04B7/0814—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the receiving station using antenna selection with single receiver and antenna switching based on current reception conditions, e.g. switching to different antenna when signal level is below threshold
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Radio Transmission System (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Noise Elimination (AREA)
JP4119729A 1991-04-15 1992-04-13 無線受信機システム Pending JPH07170219A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB919107919A GB9107919D0 (en) 1991-04-15 1991-04-15 Radio receiver systems
GB9107919.4 1991-04-15

Publications (1)

Publication Number Publication Date
JPH07170219A true JPH07170219A (ja) 1995-07-04

Family

ID=10693243

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4119729A Pending JPH07170219A (ja) 1991-04-15 1992-04-13 無線受信機システム

Country Status (6)

Country Link
US (1) US5204980A (de)
EP (1) EP0509677B1 (de)
JP (1) JPH07170219A (de)
DE (1) DE69215737T2 (de)
ES (1) ES2094873T3 (de)
GB (2) GB9107919D0 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05102899A (ja) * 1991-08-16 1993-04-23 Shiyoudenriyoku Kosoku Tsushin Kenkyusho:Kk 多周波通信方式
DE4309518A1 (de) * 1993-03-24 1994-10-06 Blaupunkt Werke Gmbh Schaltungsanordnung zur Ableitung mindestens eines von der Qualität eines empfangenen Signals abhängigen Qualitätssignals
US5481571A (en) * 1993-11-12 1996-01-02 Pacific Communication Sciences, Inc. Method and apparatus for switching between radio frequency circuits
DE10228723B4 (de) * 2002-06-27 2007-04-26 Harman Becker Automotive Systems Gmbh Verfahren zur Bewertung der Empfangsqualität eines Stereorundfunkempfängers und Stereorundfunkempfänger
DE102012211612A1 (de) 2012-07-04 2014-01-09 Dr. Johannes Heidenhain Gmbh Tastsystem und Verfahren zum Betrieb eines Tastsystems
CN109950696B (zh) * 2018-04-25 2021-01-29 京东方科技集团股份有限公司 整流天线
CN113497351B (zh) * 2021-09-07 2022-01-11 华南理工大学 滤波天线及无线通信设备

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2243118A (en) * 1939-03-15 1941-05-27 Rca Corp Automatic antenna switching diversity system
US2504341A (en) * 1946-12-27 1950-04-18 Rca Corp Diversity receiver
US4696058A (en) * 1983-12-06 1987-09-22 Matsushita Electric Industrial Co., Ltd. Diversity receiver
US4742568A (en) * 1985-06-10 1988-05-03 Nec Corporation Receiver for antenna switching diversity systems
JPH0683127B2 (ja) * 1985-07-22 1994-10-19 日本電気株式会社 ダイバーシチ受信無線機
US4823398A (en) * 1985-12-23 1989-04-18 Kazuya Hashimoto Diversity receiver
DE3612235A1 (de) * 1986-04-11 1987-10-15 Blaupunkt Werke Gmbh Verfahren und schaltungsanordnung zum empfang von radiowellen mit mehreren antennen

Also Published As

Publication number Publication date
EP0509677B1 (de) 1996-12-11
ES2094873T3 (es) 1997-02-01
EP0509677A2 (de) 1992-10-21
GB9207093D0 (en) 1992-05-13
GB2255475B (en) 1995-03-01
DE69215737D1 (de) 1997-01-23
EP0509677A3 (en) 1993-04-07
US5204980A (en) 1993-04-20
DE69215737T2 (de) 1997-04-03
GB9107919D0 (en) 1991-05-29
GB2255475A (en) 1992-11-04

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